CM1007B沙門(mén)氏菌顯色瓊脂基礎(chǔ)

英文名稱：Chromogenic Salmonella Agar Base (Dehydrated)

Isolate and differentiate Salmonella species from other Enterobacteriaceae with Thermo Scientific? Oxoid? Salmonella Chromogenic Agar Base (Dehydrated), designed to identify Salmonella species based on their utilization of one chromogenic substrate. Their inability to utilize another chromogenic substrate that most other members of the family Enterobacteriaceae can utilize enables rapid and reliable identification of Salmonella species.

Salmonella infection (salmonellosis) is a common bacterial disease that affects the intestinal tract. Salmonella bacteria typically live in animal and human intestines and are shed through feces. Humans become infected most frequently through contaminated water or food.

Isolate and differentiate Salmonella species from other Enterobacteriaceae with Salmonella Chromogenic Medium.

• Easy to read: a combination of two chromogens visually differentiates Salmonella from other Enterobacteriaceae.
• Selective for Salmonella: due to the additions of bile salts, novobiocin, and cefsulodin.

Traditionally, media used to differentiate Salmonella species from other members of the family Enterobacteriaceae depend upon the ability of Salmonella species to produce hydrogen sulphide coupled with their ability to ferment lactose.1, 2 These are, however, essentially inadequate methods with a significant number of species not exhibiting these characteristics. Chromogenic media have been developed for rapid and more reliable identification of Salmonella.

Salmonella Chromogenic Medium combines two chromogens for the detection of Salmonella species, 5-Bromo-6-Chloro-3-Indolyl caprylate (Magenta-caprylate) and 5-Bromo-4-Chloro-3-Indolyl b-D galactopyranoside (X-gal). X-gal is a substrate for the enzyme b-D-galactosidase. Most Enterobacteriaceae are b-D-galactosidase positive and produce blue colored colonies on Salmonella Chromogenic Medium. Hydrolysis of the chromogen Mag-caprylate by lactose negative Salmonellaspecies results in magenta colonies which are easily distinguished from the blue colored colonies of other organisms.

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Remel? and Oxoid? products are now part of the Thermo Scientific brand